CEL Codes for WRX and STi
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This is a discussion on CEL Codes for WRX and STi within the Maintenance, service, and repair forums, part of the Tutorials & DIY category; WRX CEL codes ~~~~~~~~~~~~~ P0031 Front oxygen (A/F) sensor heater circuit low input P0032 Front oxygen (A/F) sensor heater circuit ...

  1. #1
    Moderator YBNormal07's Avatar
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    CEL Codes for WRX and STi

    WRX CEL codes
    ~~~~~~~~~~~~~

    P0031 Front oxygen (A/F) sensor heater circuit low input
    P0032 Front oxygen (A/F) sensor heater circuit high input
    P0037 Rear oxygen sensor heater circuit malfunction
    P0038 Rear oxygen sensor heater circuit high input
    P0065 Air assist injector solenoid valve malfunction
    P0066 Air assist injector solenoid valve circuit low input
    P0067 Air assist injector solenoid valve circuit high input
    P0101 Mass air flow sensor circuit range/performance problem (high input)
    P0102 Mass air flow sensor circuit low input
    P0103 Mass air flow sensor circuit high input
    P0106 Pressure sensor circuit range/performance problem (low input)
    P0107 Pressure sensor circuit low input
    P0108 Pressure sensor circuit high input
    P0111 Intake air temperature sensor circuit range/performance problem
    P0112 Intake air temperature sensor circuit low input
    P0113 Intake air temperature sensor circuit high input
    P0117 Engine coolant temperature sensor circuit low input
    P0118 Engine coolant temperature sensor circuit high input
    P0121 Throttle position sensor circuit range/performance problem (high input)
    P0122 Throttle position sensor circuit low input
    P0123 Throttle position sensor circuit high input
    P0125 Insufficient coolant temperature for closed loop fuel control
    P0128 Thermostat malfunction
    P0130 Front oxygen (A/F) sensor circuit range/performance problem (lean)
    P0131 Front oxygen (A/F) sensor circuit range/performance problem (low input)
    P0132 Front oxygen (A/F) sensor circuit range/performance problem (high input)
    P0133 Front oxygen (A/F) sensor circuit slow response
    P0136 Rear oxygen sensor circuit malfunction
    P0139 Rear oxygen sensor circuit slow response
    P0171 Fuel trim malfunction (A/F too lean)
    P0172 Fuel trim malfunction (A/F too rich)
    P0181 Fuel temperature sensor A circuit range/performance problem
    P0182 Fuel temperature sensor A circuit low input
    P0183 Fuel temperature sensor A circuit high input
    P0244 Wastegate control solenoid valve malfunction (high input)
    P0245 Wastegate control solenoid valve circuit low input
    P0246 Wastegate control solenoid valve circuit high input
    P0301 Cylinder 1 misfire detected
    P0302 Cylinder 2 misfire detected
    P0303 Cylinder 3 misfire detected
    P0304 Cylinder 4 misfire detected
    P0327 Knock sensor circuit low input
    P0328 Knock sensor circuit high input
    P0335 Crankshaft position sensor circuit malfunction
    P0336 Crankshaft position sensor circuit range/performance problem
    P0340 Camshaft position sensor circuit malfunction
    P0341 Camshaft position sensor circuit range/performance problem
    P0420 Catalyst system efficiency below threshold
    P0442 Evaporative emission control system malfunction
    P0444 Evaporative emission control system purge control valve circuit low input
    P0445 Evaporative emission control system purge control valve circuit high input
    P0447 Evaporative emission control system vent control low input
    P0448 Evaporative emission control system vent control high input
    P0451 Evaporative emission control system pressure sensor range/performance problem
    P0452 Evaporative emission control system pressure sensor low input
    P0453 Evaporative emission control system pressure sensor high input
    P0456 Evaporative emission control system malfunction
    P0457 Evaporative emission control system leak detected (fuel cap loose/off)
    P0461 Fuel level sensor circuit range/performance problem
    P0462 Fuel level sensor circuit low input
    P0463 Fuel level sensor circuit high input
    P0464 Fuel level sensor intermittent input
    P0480 Cooling fan relay 1 circuit low input
    P0483 Cooling fan function problem
    P0500 Vehicle speed sensor malfunction
    P0506 Idle control system RPM lower than expected
    P0507 Idle control system RPM higher than expected
    P0508 Idle control system circuit low input
    P0509 Idle control system circuit high input
    P0512 Starter switch circuit high input
    P0545 Exhaust gas temperature sensor circuit low input
    P0546 Exhaust gas temperature sensor circuit high input
    P0604 Internal control module memory check sum error
    P0703 Brake switch input malfunction
    P0705 Transmission range sensor circuit malfunction
    P0710 Transmission fluid temperature sensor circuit malfunction
    P0715 Torque converter turbine speed sensor circuit malfunction
    P0720 Output speed sensor (vehicle speed sensor 2) circuit malfunction
    P0725 Engine speed input circuit malfunction
    P0731 Gear 1 incorrect ratio
    P0732 Gear 2 incorrect ratio
    P0733 Gear 3 incorrect ratio
    P0734 Gear 4 incorrect ratio
    P0741 Torque converter clutch system malfunction
    P0743 Torque converter clutch system (Lock-up duty solenoid) electrical
    P0748 Pressure control solenoid (Line pressure duty solenoid) electrical
    P0753 Shift solenoid A (Shift solenoid 1) electrical
    P0758 Shift solenoid B (Shift solenoid 2) electrical
    P0778 2-4 brake pressure control solenoid valve (2-4 brake duty solenoid) circuit malfunction
    P0785 2-4 brake timing control solenoid valve (2-4 brake timing solenoid) circuit malfunction
    P1086 Tumble generator valve #2 (LH) position sensor circuit low input
    P1087 Tumble generator valve #2 (LH) position sensor circuit high input
    P1088 Tumble generator valve #1 (RH) position sensor circuit low input
    P1089 Tumble generator valve #1 (RH) position sensor circuit high input
    P1090 Tumble generator valve #1 (RH) malfunction (stuck open)
    P1091 Tumble generator valve #1 (RH) malfunction (stuck close)
    P1092 Tumble generator valve #2 (LH) malfunction (stuck open)
    P1093 Tumble generator valve #2 (LH) malfunction (stuck close)
    P1094 Tumble generator valve circuit #1 (open circuit)
    P1095 Tumble generator valve circuit #1 (over current)
    P1096 Tumble generator valve circuit #2 (open circuit)
    P1097 Tumble generator valve circuit #2 (over current)
    P1110 Atmospheric pressure sensor low input
    P1111 Atmospheric pressure sensor high input
    P1112 Atmospheric pressure sensor range/performance problem
    P1130 Front oxygen sensor circuit malfunction (open circuit)
    P1131 Front oxygen sensor circuit malfunction (short circuit)
    P1134 Front oxygen (A/F) sensor microcomputer problem
    P1137 Front oxygen (A/F) sensor circuit range/performance problem
    P1139 Front oxygen (A/F) sensor #1 heater circuit performance/range problem
    P1141 Mass air flow sensor circuit range/performance problem (low input)
    P1142 Throttle position sensor circuit range/performance problem (low input)
    P1146 Pressure sensor circuit range/performance problem (high input)
    P1230 Fuel pump control unit malfunction
    P1244 Wastegate control solenoid valve malfunction (low input)
    P1245 Wastegate control solenoid valve malfunction (fail-safe)
    P1301 Fire due to increased exhaust temperature
    P1312 Exhaust temperature sensor malfunction
    P1400 Fuel tank pressure control solenoid valve circuit low input
    P1420 Fuel tank pressure control solenoid valve circuit high input
    P1443 Evaporative emission control system vent control function problem
    P1480 Cooling fan relay 1 circuit high input
    P1507 Idle control system malfunction (fail-safe)
    P1510 Idle air control solenoid valve signal 1 circuit low input
    P1511 Idle air control solenoid valve signal 1 circuit high input
    P1512 Idle air control solenoid valve signal 2 circuit low input
    P1513 Idle air control solenoid valve signal 2 circuit high input
    P1514 Idle air control solenoid valve signal 3 circuit low input
    P1515 Idle air control solenoid valve signal 3 circuit high input
    P1516 Idle air control solenoid valve signal 4 circuit low input
    P1517 Idle air control solenoid valve signal 4 circuit high input
    P1518 Starter switch circuit low input
    P1540 Vehicle speed sensor malfunction 2
    P1544 High exhaust temperature detected
    P1560 Back-up voltage circuit malfunction
    P1590 Neutral position switch circuit high input
    P1591 Neutral position switch circuit low input
    P1592 Neutral position switch circuit (MT model)
    P1594 Automatic transmission diagnosis input signal circuit malfunction
    P1595 Automatic transmission diagnosis input signal circuit low input
    P1596 Automatic transmission diagnosis input signal circuit high input
    P1698 Engine torque control cut signal circuit low input
    P1699 Engine torque control cut signal circuit high input
    P1700 Throttle position sensor circuit malfunction for automatic transmission
    P1701 Cruise control set signal circuit malfunction for automatic transmission
    P1703 Low clutch timing control solenoid valve circuit malfunction
    P1711 Engine torque control signal 1 circuit malfunction
    P1712 Engine torque control signal 2 circuit malfunction
    Last edited by YBNormal07; 06-12-2007 at 01:18 PM.
    tEh PriUs=teH faSTah!@@!
    SOLD: 05 SWP Legacy GT Limited 5MT, 13.3ish@105 (stage 2) crappy stock clutch
    SOLD: 04 MPS/SW WRX Sti. 12.971 @ 103.97 (stock)
    278 AWHP/283 AWT, Catback exhaust
    306 AWHP/341 AWT, Stage 2
    (Scott) Moderator-STi, Drag Racing, Car Purchasing, and Tutorial Forums

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  3. #2
    Moderator YBNormal07's Avatar
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    STi CEL codes

    P0011 Camshaft Position - Timing Over-Advanced (Bank 1)
    P0012 Camshaft Position - Timing Over-Advanced (Bank 2)
    P0030 Front O2 Sensor Heater Control Circuit
    P0031 Front O2 Sensor Heater Control Circuit Low
    P0032 Front O2 Sensor Heater Control Circuit High
    P0037 Rear O2 Sensor Heater Control Circuit Low
    P0038 Rear O2 Sensor Heater Control Circuit High
    P0068 MAP/Barometric Pressure Circuit Range/Performance
    P0101 Mass Air Flow Circuit Range/Performance
    P0102 Mass Air Flow Circuit Low Input
    P0103 Mass Air Flow Circuit High Input
    P0107 MAP/Barometric Pressure Circuit Low Input
    P0108 MAP/Barometric Pressure Circuit High Input
    P0111 Intake Air Temperature Circuit Range/Performance
    P0112 Intake Air Temperature Circuit Low Input
    P0113 Intake Air Temperature Circuit High Input
    P0117 Engine Coolant Temperature Circuit Low Input
    P0118 Engine Coolant Temperature Circuit High Input
    P0121 Throttle Position Sensor Switch A Circuit Range/Performance
    P0122 Throttle Position Sensor Switch A Circuit Low Input
    P0123 Throttle Position Sensor Switch A Circuit High Input
    P0125 Insufficient Coolant Temperature for Closed Loop Fuel Control
    P0128 Coolant Thermostat
    P0129 Atmospheric Pressure Sensor Circuit Range/Performance
    P0131 Front O2 Sensor Low Voltage
    P0132 Front O2 Sensor High Voltage
    P0133 Front O2 Sensor Circuit Slow Response
    P0134 Front O2 Sensor Circuit No Activity Detected
    P0137 Rear O2 Sensor Circuit Low Voltage
    P0138 Rear O2 Sensor Circuit High Voltage
    P0139 Rear O2 Sensor Circuit Slow Response
    P0171 System too Lean
    P0172 System too Rich
    P0181 Fuel Temperature Sensor A Circuit Range/Performance
    P0182 Fuel Temperature Sensor A Circuit Low Input
    P0183 Fuel Temperature Sensor A Circuit High Input
    P0230 Fuel Pump Primary Circuit
    P0222 Throttle/Pedal Position Sensor Switch B circuit low input
    P0223 Throttle/Pedal Position Sensor Switch B circuit high input
    P0230 Fuel Pump Primary Circuit
    P0244 Turbo Wastegate Selenoid A Range/Performance
    P0245 Turbo Wastegate Selenoid A Low
    P0246 Turbo Wastegate Selenoid A High
    P0301 Cylinder 1 misfire detected
    P0302 Cylinder 2 misfire detected
    P0303 Cylinder 3 misfire detected
    P0304 Cylinder 4 misfire detected
    P0327 Knock Sensor 1 Circuit Low Input
    P0328 Knock Sensor 1 Circuit High Input
    P0335 Crankshaft Position Sensor A Circuit
    P0336 Crankshaft Position Sensor A Circuit Range/Performance
    P0340 Camshaft Position Sensor A Circuit (Bank 1)
    P0345 Camshaft Position Sensor A Circuit (Bank 2)
    P0420 Catalyst System Efficiency Below Threshold
    P0442 Evaporative Emission Control System Leak Detected
    P0447 Evaporative Emission Control System Vent Control Circuit Open
    P0448 Evaporative Emission Control System Vent Control Circuit Shorted
    P0451 Evaporative Emission Control System Pressure Sensor Range/Perf.
    P0452 Evaporative Emission Control System Pressure Sensor Low Input
    P0453 Evaporative Emission Control System Pressure Sensor High Input
    P0456 Evaporative Emission Control System Leak Detected (small)
    P0457 Evaporative Emission Control System Leak Detected (Fuel Cap)
    P0458 Evap. Emission Control System Purge Control Valve Circuit Low
    P0459 Evap. Emission Control System Purge Control Valve Circuit High
    P0461 Fuel Level Sensor Circuit Range/Performance
    P0462 Fuel Level Sensor Circuit Low Input
    P0463 Fuel Level Sensor Circuit High Input
    P0464 Fuel Level Sensor Circuit Intermittent
    P0483 Cooling Fan Rationality Check
    P0502 Vehicle Speed Sensor Circuit Low Input
    P0503 Vehicle Speed Sensor Intermittent/Erratic/High
    P0506 Idle Control System RPM Lower Than Expected
    P0507 Idle Control System RPM Higher Than Expected
    P0512 Starter Request Circuit
    tEh PriUs=teH faSTah!@@!
    SOLD: 05 SWP Legacy GT Limited 5MT, 13.3ish@105 (stage 2) crappy stock clutch
    SOLD: 04 MPS/SW WRX Sti. 12.971 @ 103.97 (stock)
    278 AWHP/283 AWT, Catback exhaust
    306 AWHP/341 AWT, Stage 2
    (Scott) Moderator-STi, Drag Racing, Car Purchasing, and Tutorial Forums

  4. #3
    Moderator YBNormal07's Avatar
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    STi CEL codes continued

    P0519 Idle Control System Malfunction (Fail-Safe)
    P0604 Internal Control Module Random Access Memory Error
    P0605 Internal Control Module Read Only Memory Error
    P0607 Control Module Performance
    P0638 Throttle Actuator Control Range/Performance
    P0691 Cooling Fan 1 Control Circuit Low
    P0692 Cooling Fan 1 Control Circuit High
    P0851 Neutral Switch Input Circuit Low
    P0852 Neutral Switch Input Circuit High
    P1086 Tumble Generated Valve Position Sensor 2 Circuit Low
    P1087 Tumble Generated Valve Position Sensor 2 Circuit High
    P1088 Tumble Generated Valve Position Sensor 1 Circuit Low
    P1089 Tumble Generated Valve Position Sensor 1 Circuit Low
    P1090 Tumble Generated Valve System 1 Valve Open
    P1091 Tumble Generated Valve System 1 Valve Close
    P1092 Tumble Generated Valve System 2 Valve Open
    P1093 Tumble Generated Valve System 2 Valve Close
    P1094 Tumble Generated Valve Signal 1 Circuit Malfunction (Open)
    P1095 Tumble Generated Valve Signal 1 Circuit Malfunction (Short)
    P1096 Tumble Generated Valve Signal 2 Circuit Malfunction (Open)
    P1097 Tumble Generated Valve Signal 2 Circuit Malfunction (Short)
    P1110 Atmospheric Pressure Sensor Circuit Malfunction (Low Input)
    P1111 Atmospheric Pressure Sensor Circuit Malfunction (High Input)
    P1152 Front O2 Sensor Circuit Range/Performance (Low)
    P1153 Front O2 Sensor Circuit Range/Performance (High)
    P1160 Return Spring Failure
    P1400 Fuel Tank Pressure Control Solenoid Valve Circuit Low
    P1420 Fuel Tank Pressure Control Solenoid Valve Circuit High
    P1443 Vent Control Solenoid Valve Function Problem
    P1446 Fuel Tank Sensor Control Valve Circuit Low
    P1447 Fuel Tank Sensor Control Valve Circuit High
    P1448 Fuel Tank Sensor Control Valve Range/Performance
    P1491 Positive Crankcase Ventilation (Blow-by) Function Problem
    P1518 Starter Switch Circuit Low Input
    P1560 Back-Up Voltage Circuit Malfunction
    P2088 OCV Solenoid Valve Signal A Circuit Open (Bank 1)
    P2089 OCV Solenoid Valve Signal A Circuit Short (Bank 1)
    P2092 OCV Solenoid Valve Signal A Circuit Open (Bank 2)
    P2093 OCV Solenoid Valve SIgnal A Circuit Short (Bank 2)
    P2096 Post Catalyst Fuel Trim System Too Lean Bank 1
    P2097 Post Catalyst Fuel Trim System Too Rich Bank 1
    P2101 Throttle Actuator Control Motor Circuit Range/Performance
    P2102 Throttle Actuator Control Motor Circuit Low
    P2103 Throttle Actuator Control Motor Circuit High
    P2109 Throttle/Pedal Position Sensor A Minimum Stop Performance
    P2122 Throttle/Pedal Position Sensor/Switch D Circuit Low Input
    P2123 Throttle/Pedal Position Sensor/Switch D Circuit High Input
    P2127 Throttle/Pedal Position Sensor/Switch E Circuit Low Input
    P2128 Throttle/Pedal Position Sensor/Switch E Circuit High Input
    P2135 Throttle/Pedal Position Sensor/Switch A/B Voltage Rationality
    P2138 Throttle/Pedal Position Sensor/Switch D/E Voltage Rationality
    tEh PriUs=teH faSTah!@@!
    SOLD: 05 SWP Legacy GT Limited 5MT, 13.3ish@105 (stage 2) crappy stock clutch
    SOLD: 04 MPS/SW WRX Sti. 12.971 @ 103.97 (stock)
    278 AWHP/283 AWT, Catback exhaust
    306 AWHP/341 AWT, Stage 2
    (Scott) Moderator-STi, Drag Racing, Car Purchasing, and Tutorial Forums

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